janitza SVG Series User manual

Janitza electronics GmbH
Vor dem Polstück 6
D-35633 Lahnau
Phone support: [phone]
Email: [email protected]
www.janitza.de
www.janitza.de
Power Controller
SVG
User manual
Doc. no. 2.100.020.1a 07/2019

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Janitza electronics GmbH offers their customers comprehensive technical support. Users can
contact their local representative or the company's customer service center, or the head office
directly, if they have any questions.
All rights reserved.
Subject to technical changes.
The contents of our documentation have been compiled with great care and reflect the current state
of our information. Nonetheless, we wish to point out that updates of this document are not always
possible at the same time as technical refinements are implemented in our products. Please see our
website under www.janitza.de for the current version.
Please see our website under www.janitza.de for the current version.
Janitza Static Var Generator
Power Controller SVG50/ SVG100
Doc. no.: 2.100.020.1a
Date: 07/2019

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The settings in the Parameter Settings menu are password
protected (see section 8.1.3).
Please cut out this section and keep it in a safe place!
User password: 080808

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Contents
1. Information on the device and the user manual 6
1. 1 Disclaimer 6
1. 2 Copyright notice 6
1. 3 Technical changes 6
1. 4 Defective device/disposal 6
2. Safety 7
2. 1 Symbols used 7
2. 2 Safety measures 8
2. 3 Electrically qualified personnel 8
2. 4 Intended use 8
2. 5 Warranty in the event of damage 8
2. 6 Information on setting up the device 9
2. 7 Information on storage 9
2. 8 Standards 10
3. Scope of delivery 11
3. 1 Accessories (optional) 11
4. Product description 12
4. 1 Device description 12
4. 2 Type designation 12
4. 3 Product features 13
4. 4 Dimensional drawings 14
4. 5 Operating principle 16
5. Installation and power connection 18
5. 1 Before installation 18
5. 2 Electrical connection 20
5. 2. 1 Closed Loop 20
5. 2. 2 Open Loop 21
5. 2. 3 Electrical connection of an SVG single module 22
5. 2. 4 Location of the current and signal interfaces 23
5. 3 Electrical connection of more than one module with LCD display 26
5. 3. 1 Electrical connection of modules with LCD display with different capacities 28
5. 4 Electrical connection of several modules without display 29
5. 4. 1 Electrical connection of the SVG R 400 V 50 kvar 29
5. 4. 2 Electrical connection of modules without display with different capacities 31
5. 5 Installation of the current transformer (CT) 32
5. 5. 1 Current transformer selection 33
5. 5. 2 Current transformer (CT) installation on the load side (open loop) 34
5. 5. 3 Current transformer (CT) installation on the grid side (closed loop) 36
5. 5. 4 Connection of an SVG to a Janitza UMG 39

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6. Commissioning 40
6. 1 Before switching on the installation 40
6. 2 Procedure for switching on the installation 40
6. 3 Procedure for switching off the installation 41
6. 3. 1 Automatic powering on 42
6. 4 Emergency stop (optional) 42
7. Precautionary measures during maintenance 43
8. System operation 44
8. 1 Monitoring and troubleshooting of models with LCD 44
8. 1. 1 4.3-inch LCD screen 44
8. 1. 2 The “Data” button 45
8. 1. 3 The “Parameters” button 49
8. 1. 4 The “Measurement” button 54
8. 2 Monitoring and troubleshooting of modules without display 60
8. 2. 1 7-inch LCD screen 60
8. 2. 2 The “Info” button – Realtime information 62
8. 2. 3 The “Settings” button 64
8. 2. 4 The “Records” button 67
8. 2. 5 The “Help” button 68
8. 2. 6 The “About” button 68
8. 2. 7 Menu description 69
8. 3 System operation with more than one module without display 72
9. Troubleshooting 75
Appendix 1 – Part numbers 76
Appendix 2 – Technical data 77
Appendix 3 – Selection of cables and accessories 79
Appendix 4 – Modbus protocol 80

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1.1 Disclaimer
Compliance with the informational products for the device is a prerequisite for safe opera-
tion and attaining the stated performance characteristics and product features.
Janitza electronics GmbH assumes no liability for bodily injury, material damage or finan-
cial losses which result from disregard of the informational products.
Ensure that your informational products are readily accessible in a legible form.
1.2 Copyright notice
© 2019 - Janitza electronics GmbH - Lahnau. All rights reserved.
Any reproduction, processing, distribution or other use, in whole or in part, is prohibited.
All trademarks and the rights arising from them are the property of the respective owners
of these rights.
1.3 Technical changes
· First read and understand the documents associated with the product.
· Keep the documents associated with the product available for the entire service life and
pass them on to any possible subsequent users.
· Find out about device revisions and the associated modifications of the documentation
associated with your product at www.janitza.de.
1.4 Defective device/disposal
Before sending defective devices (components) back to the manufacturer for testing (in-
cluding accessories), please contact the manufacturer’s support department. When doing
so, please bear the terms for transportation in mind.
Do not attempt to open or repair the device (the component) on your own because other-
wise all warranty claims become invalid!
For the disposal of the device (the component), please observe national and international
regulations!
Dispose of individual parts, as applicable, depending on their composition and existing
country-specific regulations, e.g. as:
· electronic waste,
· standard batteries and rechargables,
· plastics, or
· metals.
If needed, engage a certified disposal company to handle scrapping.
1. Information on the device and the user manual

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2. Safety
Be certain to read and understand the documents associated with this device and its com-
ponents before using it. The following safety information provides an overview of safety
measures required for the operation of the device and its components. Please observe the
safety information and warning notices to ensure your personal safety and avoid material
damage.
Special operating conditions can require additional measures! Please also observe
the special safety information that is listed in the respective documents on the devic-
es and their components. Documentation associated with the product can be found
on our website at www.janitza.de > Support > Downloads.
2.1 Symbols used
This additional symbol on the device or the component itself indicates
an electrical hazard that can lead to severe injury or death.
This general warning symbol draws attention to a possible risk of injury.
Be certain to observe all of the information listed under this symbol in
order to avoid possible injury or even death.
ATTENTION
Draws attention to an immediately hazard-
ous situation which, when disregarded, can
lead to material or environmental damage.
NOTE
Supplementary note for which there is no
danger of injury or material damage.
Warning and safety information is marked by a warning symbol, and the hazard levels are
shown as follows, depending on the degree of hazard:
DANGER
Draws attention to an immediately hazardous situation which,
when disregarded, leads to severe or fatal injury.
WARNING
Draws attention to an immediately hazardous situation which,
when disregarded, can lead to severe or fatal injury.
CAUTION
Draws attention to an immediately hazardous situation which,
when disregarded, can lead to minor or moderate injury.

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2.3 Electrically qualified personnel
To avoid bodily injury and material damage, only electrically qualified personnel are permit-
ted to work on the devices and their components, assemblies, systems and current circuits
who have knowledge of:
• the national and international accident prevention regulations,
• safety technology standards,
• installation, commissioning, operation, disconnection, grounding and marking of electri-
cal equipment,
• the requirements concerning personal protective equipment.
Electrically qualified persons within the scope of the technical safety information of all doc-
uments associated with the device and its components are persons who can furnish proof
of qualification as an electrically skilled person.
2.4 Intended use
The devices and their components are:
· not intended for installation in vehicles! Use of the devices and their components in
non-stationary equipment constitutes an exceptional environmental condition and is only
permissible by special agreement.
· not intended for installation in environments with harmful oils, acids, alkalis, gases, vapors,
dusts, radiation, etc.
Safe and trouble-free operation of the devices and their components presupposes proper
transport, proper storage, set-up and assembly as well as operation and maintenance in
addition to compliance with the safety information and warning notices.
2.5 Warranty in the event of damage
Any unauthorized tampering with or use of the device constitutes "misuse" and/or "negli-
gence" under the product’s warranty and thus voids the warranty of any possible resulting
damage.
2.2 Safety measures
When operating electric devices, it is unavoidable that certain parts of these devices will
conduct hazardous voltage. Consequently, severe bodily injury or material damage can
occur if they are not handled properly:

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2.6 Information on setting up the device
• Do not set up the device in areas with high air humidity.
• Do not keep it in the proximity of flammable liquids, gases or explosive materials.
• Ensure there is enough space in front of and behind the system for adequate ventilation
and/or for maintenance work.
• To ensure safe operation of the SVG and prevent overheating:
- Provide adequate air circulation in your installation environment and cooling, as need-
ed, when the temperatures are high.
- The air inlets and outlets must not be blocked.
• Reduce the risk of fire or electric shock.
• Ground the device!
• When installing wiring, bear the balancing capacitance and the current-carrying capacity
in mind.
• Ensure that there is no corrosive gas or electrically conductive dust in the work environ-
ment.
• The operating temperature must lie in a range between-10° C and 40° C.
The internal temperature monitoring switches the SVG off if a temperature limit value is
exceeded.
• When using a forklift or other aids for transporting the device, the load-bearing capacity
must be adequate. Check the weight of the SVG as defined in Appendix 2.
2.7 Information on storage
• Store the SVG in its original packaging in a dry, well ventilated room.
• Storage at a temperature of -40° C to 70° C and a relative humidity between 5% and
95 % must be maintained.

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2.8 Standards
The product complies with the following standards for safety and electromagnetic
compatibility:
1. IEEE519-1992: Recommended Practices and Requirements for Harmonic Control in
Electrical Power Systems;
2. GB 7251.1-2013: Low-voltage switchgear and controlgear assemblies Part 1: General rules
GB/T 7251.8-2005: Low-Voltage Switchgear and Controlgear Assemblies – General
Technology Requirements for Intelligent Assemblies;
3. GB/T 15576-2008: The Specifications of Low-Voltage Reactive Power Steady Compen-
sation Equipments;
4. IEC 61000-6-2:2016-05: Electromagnetic Compatibility (EMC)-Part 6-2: Generic Stan-
dards-Immunity for Industrial Environments;
5. IEC 61000-6-4:2018: Electromagnetic Compatibility (EMC) -- Part 6-4: Generic Stan-
dards - Emission Standard for Industrial Environments (only for 50 A model to pass);
6. IEC 61000-4-2:2008: Electromagnetic Compatibility – Testing and Measurement Tech-
niques – Electrostatic Discharge Immunity Test;
7. IEC 61000-4-3: 2011-4: Electromagnetic compatibility (EMC) – Testing and measure-
ment techniques - Radiated, radio-frequency, electromagnetic field immunity test
8. IEC 61000-4-4: Electromagnetic compatibility (EMC) – Part 4-4: Testing of interference
immunity
9. IEC 61000-4-5:2015-03: Electromagnetic compatibility (EMC) – Testing and measure-
ment techniques - Surge immunity test
10. IEC 61000-4-11:2005-02 Electromagnetic compatibility (EMC) – Testing and mea-
surement techniques – Voltage dips, short interruptions and voltage variations immunity
tests
11. IEC 61000-4-6: 2014-08 Electromagnetic compatibility – Testing and measurement
techniques – Immunity to conducted disturbances, induced by radio frequency fields
12. IEC 60068-2-6: 2008-10: Environmental testing – Tests Part 2-6: Tests – Test Fc: Vibra-
tion (sinusoidal);
13. IEC 60068-2-27: 2010-2: Environmental testing – Tests Part 2-27: Tests
– Test Ea and guidance: Shock;
14. EN 50178:1998-04: Electronic equipment for use in power installations;
15. EN 61000-6-2:2005: Part 6-2: Generic standards – Immunity for industrial environments.

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3. Scope of delivery
Quantity Designation
1 Static Var Generator SVG part no. (XX.XXX.XX 1))
1 User manual, English
1 Cover
6 Resistor B2508 blue 2.5 mm²
10 Screw, 4 x 8
1 Resistor 1/4W -120Ω±1%
4 Spacer washers
4 Washers
4 Screws
1) part number as per delivery note
Quantity Designation
1 HMI 7-inch monitor with touch display (part no. 15.063.21)
3.1 Accessories (optional)

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4. Product description
4.1 Device description
The Static Var Generator SVG 50 / SVG 100 is used for dynamic power factor correction of
400-V low voltage distribution board networks. The compensation capability of an individu-
al module is either 50 kvar or 100 kvar.
The Static Var Generator SVG provides dynamic compensation of inductive and capacitive
reactive currents in the phases, and optionally in the N-conductor as well.
In addition, the SVG can also be used for current balancing between the phases. Fast and
stepless compensation is provided using IGBT converters based on a 3-level technology
with no over- or under-compensation.
This technology avoids resonance effects and influence on ripple control signals, which can
occur with conventional compensation systems.
The modular system employed makes SVGs suitable for easy adaptation to modified
network and load conditions. They are characterized by compensation of the neutral
conductor current in the 3-wire system with N-conductor and by automatic mains frequen-
cy detection. The compensation strategy can be modified during ongoing operation. The
configurable standby operation in dependence on the voltage distortion (THD) and/or the
imbalance as well as an automatic restart after a voltage loss all ensure reliable operation
of the SVG.
4.2 Type designation
Figure 2-1: Type designation example for SVG-LCD W 400 V 50 kvar
LCD
R: Rack* ; W: Wall*
Capacity: 50 kvar/ 100 kvar
SVG Static Var Generator
SVG LCD W 400 V 50 kvar
400 V - voltage
* Rack – The device is mounted in a rack
* Wall – The device is mounted on the wall
Type
Capacity
50 kvar 100 kvar
Rack module
With display X X
Without display X X
Wall module
With display X X
Without display On request

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* Figure: Rack module
* Figure: Wall module
4.3 Product features
• Compensation of inductive and capacitive reactive
power components
• Cos φpower 0.99 (cos target configurable)
• Power factor correction and balancing of asymmetrical
loads
• Ensures high availability
• Reduces grid distortions
• Infinitely variable, dynamic control
• No risk of resonance
• Low response times
• Low weight: 100 kvar < 50 kg
• Compact dimensions
• No influence on ripple control signals
• MTBF (Mean time before failures) of up to
100,000 hours
• Reduces neutral conductor current
• Power factor correction: fast (ms reaction time), exact
power factor correction (-1.0<cosφ<1.0)
• Compensation strategy can be modified during ongo-
ing operation
• Modular system for easy adaptation to modified net-
work and load conditions
• Automatic network frequency detection
• Restores network symmetry with imbalanced loads
• Load balancing in industrial, commercial installations
• Low-feedback and low-loss operation
• High clock frequency
• Standby operation in dependence on the voltage dis-
tortion (THD) and/or the imbalance
• Automatic restart after voltage loss
• User friendly user interface: Automatic error messages,
fault messages and operating log

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4.4 Dimensional drawings
4.4.1 SVG 100V 50kvar
Figure 2-2, external dimension of rack modules
Depth
Height
Width
Figure 2-3, external dimension of wall modules
Height
Width
Depth

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4.4.2 Table of dimensions
Designation Width
(mm) Height (mm) Depth (mm)
SVG-LCD W 400 V 50 kvar 500 582 191
SVG-LCD R 400 V 50 kvar 500 557 190
SVG-R 400 V 50 kvar 500 557 190
SVG-LCD W 400 V 100 kvar 500 553 271
SVG-LCD R 400 V 100 kvar 500 520 269
SVG-R 400 V 100 kvar 500 520 269
Table: Dimensions

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4.5 Operating principle
In industrial operations, for example in the packaging industry, in welding processes or in
biomass power plants as well, electric motors and pumps with variable frequency drive
technology are being employed more and more commonly. In building engineering as well,
energy efficient lighting, laptops and desktop computers are by now standard equipment.
Power electronics like this, consisting of thyristors and power capacitors, among other
things, have a negative influence on the power quality. Moreover, the behavior in the energy
distribution networks is influenced negatively by network imbalances.
Use of the SVG reduces grid distortions:
• Infinitely variable compensation with inductive and capacitive reactive power
• Reduction of the outage costs, e.g. for frequency converters
• Automatic detection of resonance points
• Individual compensation and dynamic filtering possible
Reduced losses due to 3-level topology: Twice as many IGBTs, lower losses, lower grid
disturbance levels
The SVG detects the current load by means of the external current transformer (CT) in
realtime. After the data analysis, the reactive power change rate is determined and a PMW
signal is sent to the IGBT driver board.
Afterward, an inductive or capacitive compensation current is generated by the converter
technology. Continuous control ensures a more accurate and stable system.
Figure 2-4 Compensation provided by the Janitza SVG

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Figure 2-5 Three-level topology of the inverter
As shown in Figure 2-5, a 3-level topology is employed in the Janitza SVG, whereby each
phase branch consists of four IGBTs and two diodes.
As an example, phase branch A will be considered:
• When Sa1, Sa2 are switched on and Sa3, Sa4 are switched off, the voltage between
point A and point O (VAO) is Vdc/2;
• When Sa2, Sa3 are switched on and Sa1, Sa4 are switched off, point A is connected to
point O so that VAO is equal to 0;
• When Sa3, Sa4 are switched on and Sa1, Sa2 are switched off, VAO is equal to -Vdc/2.
Each phase branch is able to output three states for one voltage level.
The output terminal of each phase branch is connected to the power grid via the
inductance.

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5. Installation and power connection
5.1 Before installation
Take note of the safety information (chapter 2)!
Check the line marking of the input terminals and the line marking of the external current
transformer (CT). Check the wire diameter and the phase sequence of the input current for
correctness. The power data of the input line can be found in the technical specifications in
appendix 3.
Since the power and signal interfaces of the SVG modules are identical, the description
here only covers the installation and electrical connection of one of the modules with dis-
play/without display of the same capacity level.
As shown in Figure 3-1, the rack module must be installed in the switchboard cabinet.
Observe the factory specified drilled holes as marked in Figure 3-1 for the installation of a
single module.
The wall module must be fastened to a solid wal whereby the specified size and location of
the drilled holes for the installation are shown in Figure 3-2.
Connection options:
ATTENTION
Material damage due to disregard of the mounting instructions!
Disregard of the installation instructions can damage or destroy your
device and its component.
Therefore please abide by the following:
• Maintain the minimum distances during installation!
• Provide adequate air circulation in the installation environment and cool-
ing, as needed, when the ambient temperatures are high!
• Ground current-conducting switchboards!
• Follow the installation instructions in the documents that belong to the
device and its components!
NOTE
All SVG modules have identical current and signal interfaces.
The description of the installation is provided based on the example of the
filter SVG-LCD W 400 V 50 kvar.
Network system 3 phase 3 phase with N-conductor
Rack module with LCD display X X
Wall module with LCD display X X
Rack module without display X X

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WARNING
Risk of injury due to electrical voltage!
Severe bodily injury or death can result! Therefore please abide by the following:
• Switch off your installation before commencing work! Secure it against being
switched on! Check to be sure it is de-energized! Ground and short circuit! Cover or
block off adjacent live parts!
• During operation and troubleshooting, check the environment for dangerous voltag-
es and switch these off if necessary!
• Wear protective clothing and protective equipment in accordance with applicable
guidelines when working on electrical systems!
• Before making connections to the device/the component, ground the device by
means of the ground wire connection, if present.
• Do not touching bare or stripped leads that are energized!
Equip stranded conductors with wire ferrules!
• Hazardous voltages can be present in all circuitry parts that are connected to the
power supply.
• Protect the feeders with suitable line circuit breakers/fuses!
• Never switch off, remove or tamper with safety devices!
• There can still be hazardous voltages present in the device or in the component
even after it has been disconnected from the supply voltage (capacitor storage).
• Do not operate equipment with current transformer circuits when open.
• Only connect screw terminals with the same number of poles and design!
• Do not exceed the limit values specified in the user manual and on the rating plate;
this must also be observed during testing and commissioning.
• Take note of the safety and warning notices in the documents that belong to the
device!

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5.2 Electrical connection
Definition of terms:
• Open Loop / Closed Loop:
When connecting the converter to the SVG, a distinction is made between the two
connection versions “open loop” and “closed loop”.
• With a “retrofit” installation, the converter typically is located on the network side (these
converters are usually integrated in the feed).
In the case of a “retrofit” installation, the closed loop connection version can be used if only
one filter module is installed.
If more than one filter module is installed, use of the open loop connection version is man-
datory. If this is not possible, summation current transformers must be employed (see the
section “Closed Loop”).
5.2.1 Closed Loop
Figure 3-4a, Closed Loop
1S1
1S2
2S1
2S2
3S1
3S2
CT
A
A
-
N
B
B
-
N
C
C
-
N
B
C
N
PE
A
SVG
UMG 512
Load side
Grid side
e.g.
UMG512
NOTE
Of decisive importance for the current transformer installation is that the SVG only “sees”
the load current, i.e. the current of the SVG is subtracted for the calculation of the com-
pensation current. Ensure that the current transformer is connected correctly.